Page 218 - Demo

Arrow-Puffin-4_Semester-1 Maths 217II. Write the prime factorization of each of the following by division method.1. 2. 3. 4. 5. 6. 6. 98 2 x 49 2 7 x 72 842 423 217 712 1202 602 303 155 512 562 282 147 712 903 453 155 512 1503 755 255 513 1055 357 71Let's Practise 5.7 Find the HCF of the following numbers by long division method.1. 9 2. 5 3. 12 4. 8 5. 32 6. 9 7. 22 8. 9 9. 3 10. 9Let's Practise 5.8 Find the LCM by short division method.1. 90 2. 39 3. 60 4. 1368 5. 168 6. 90 7. 560 8. 1989 9. 792 10. 315 11. 360 12. 720 Let's SolveI. Fill in the blanks.1. multiplier 2. product 3. itself 4. least common multiple 5. highest common factor6. even 7. odd 8. prime 9. composite 10. 2 11. 3 12. 4 13. 5 14. 9 15. 0II. Fill in the blocks with digits to make it a 3 digit number which is divisible by the given number.1. 3 4 2 2. 5 7 0 3. 2 4 0 4. 9 5 0 5. 8 1 6III. Circle the factors of. 1. 1, 3, 6, 12 2. 6, 9, 18, 36IV. Circle the multiples. 1. 9, 27, 21 2. 4, 72, 12 3. 42, 12 4. 7, 42 Fun with MathsI. Colour the multiples of 5 in green and 7 in red. 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100 7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84, 91, 986. FRACTIONSLet's Practise 6.1I. Write the shaded part.b. 14 one-fourth c.35 three-fifths d. 16 one-sixths e.27 two-seventhsf. 25 two-fifthsII. Write the shaded and unshaded part.Shaded part : a.48 four-eights b. 47 four-sevenths c.78 seven-eighths d. 19 one-ninthsUnshaded Part : 48 four-eights 37 three-sevenths 18 one-eighths 89 eight-ninths